Home / 50,802.37-76,175.78-40,339.60

Finding the Fourth Proportional to 50,802.37, 76,175.78 and 40,339.60

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Solution

The fourth proportional to 50,802.37, 76,175.78 and 40,339.60 is: 60,487.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,802.37 : 76,175.78 = 40,339.60 : x
  2. Step 2: Convert to fraction form
    50,802.37/76,175.78 = 40,339.60/x
  3. Step 3: Cross multiply
    50,802.37x = 76,175.78 × 40,339.60
  4. Step 4: Simplify right side
    50,802.37x = 3,072,900,102.75
  5. Step 5: Solve for x
    x = 3,072,900,102.75/50,802.37
  6. Step 6: Final answer
    x = 60,487.34

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.